四川省树德中学2022届高三下学期开学考试数学（理）试题.pdf

1、2019 12,560.12(1i)i1azaR0 xya A2 B2 C3 D3 2(2,1),(,4)ABACaABAC|BC A B5 C2 5 D5 3PQ A15xx B C0,1,2,3,4 D1,2,3 4K.E.Tsiolkovsky1903.0VM0mv.02km/sVv10km/s .A5e B5e1 C6e D6e1 5na5113a a3134aa A3 B9 C3 D9 622:650C xyxC A22172xy B C D 7 A B C D 8()cos()()g xAxxR A()g x B()g x C()g x8x D()cos2h xx()g x 9AB

2、CDBCED2BFABCD A B2 C4 D8 10AB3AB5 A B C D 11na11an10nnaa A1 22 B C D 12IM2()42f xxxIa0,2 2aaaMMa A123,2 B C D 4520 1356 .14xy29yx_ 15OxACBOCBAOC._ 164 2 cm8cm236 cm_ cm_ _(cm)7017212223 60 1712ABCD1ABCD 1ABD 2BCtt 1812PABCDE FPB PDAEFPCG.1AEGFABCD 2.1912202092220302060120 cm 120,140 140,160 160,180

3、/4 6 8 1120816 22,N1202185s 5150cm 50001142,XN0.6826PX220.9544PX 20aRlnlnf xaxax 1f x 2a 21122,2PF2:20C ypx pABCPPAPBPA1k k ABFABdk ABFFABFBAsinsin 10.2223.4-4 2210 xOyElcossinxtytt0.x.1El 2lEAB2OAOBl.4-5 2310f(x)Mf(x)2 1M 2,a bM|1|abab.CGPC2019 DDDACC BBCBCA 13.84 14.15.16.6 17.1,24ABDBAD 2,ABD CBD

4、2212 cosBDttC ,42ACt2 18.(1)EFOPQQOPEF E FPB PDEFPBDEFBD BDABCDEFABCDEFABCD AEGFABCDlEFlDBQA AE=AFAQEFOABD QAOAEGFABCD2AOAEGFABCD(2)AQAQG GGMPOACMPOABCDGMABCD GM=CM=xAM=4-x 43x42323CGGMPCOP 19.1120,1400.005 0.02100.25 140,1600.03 0.02100.5160,1800.0150.01100.25 1208244628 164,6,86,6,66,6,84,8,86,8,8

5、 2125 0.05 135 0.2 145 0.3 155 0.2 165 0.15 175 0.1 150 cm 5150cm,0 1 2 3 4 5 P 132 532 532 132 15522E.2177.2 cm 20.10 xxa 0a0fxf x 1a0fxf x 10a01aaa 0fxf x0fxf x 2 2lnln0axaa xa2lnlnh xaxaa xa 232aa xaah xaxaxa0h x21axa 1a0h xh x0,120lnln0haaaln0a01a1a 01ah x210,aa21,aa 2ln0aaa 2lnaaaa121121aaaaaa

6、a 01a0h x01a.21.2,2P1p2:2C yx :221PA yk xk 22440kyykkk 221222ABABABABABAByyyykyyxxyy AB 11|FBFAFAFBFAFB 22244551616165542524516kkkkkkkk 1k1t2161611612 5sinsin16165555 2 16tttt 422 64545tkkk 22.1E 22(3)3xy22660 xyy222xysiny E26 sin60.lcossinxtytt0l(,0)2l(,0)2:6 sin60E 26 sin60.236sin240.1,A2,B126sin1262OAOB122 00.l.23.1 12xf(x)222x1x f(x)=12 12xf(x)22x21x11x|11Mxx.2(1),a bM11a11b22222222111()()(1)()0abababa bab22()(1)abab|1|abab.